Top 10 endangered historical sites in Howard County [Pictures]

CaptionTroy House

Staff photo by Jon Sham

Patented in 1664, the land surrounding Troy House in Elkridge was the rumored site of Revolutionary War plotting by Col. Thomas Dorsey, the great-grandson of original Troy owner John Dorsey. The three-story stone house that sits on the site today was built around 1820 and was added to the...

Patented in 1664, the land surrounding Troy House in Elkridge was the rumored site of Revolutionary War plotting by Col. Thomas Dorsey, the great-grandson of original Troy owner John Dorsey. The three-story stone house that sits on the site today was built around 1820 and was added to the... (Staff photo by Jon Sham)

The Highland Crossroads Community, established in 1759, was located along the route from Frederick to Annapolis and has supported commerce at the intersection of Highland Road and Route 108 for centuries while remaining largely rural in character. Dorsey said current community members have...

The Highland Crossroads Community, established in 1759, was located along the route from Frederick to Annapolis and has supported commerce at the intersection of Highland Road and Route 108 for centuries while remaining largely rural in character. Dorsey said current community members have... (Staff photo by Jon Sham)

The Simpsonville Mill was the focal point of commerce in the Simpsonville community, located in present-day Columbia, in the mid-18th century. The mill, which sits beside the Middle Patuxent River, provided grain, flour and meal to local residents and farmers and remained vibrant until the...

The Simpsonville Mill was the focal point of commerce in the Simpsonville community, located in present-day Columbia, in the mid-18th century. The mill, which sits beside the Middle Patuxent River, provided grain, flour and meal to local residents and farmers and remained vibrant until the... (Staff photo by Jon Sham)

Baltimore native and war hero Joshua Barney, a Navy commodore who served in both the Revolutionary War and the War of 1812, bought this house in Savage in the early 1800s and lived there from his retirement until shortly before his death in 1818. In the 20th century, the house was used as a...

Baltimore native and war hero Joshua Barney, a Navy commodore who served in both the Revolutionary War and the War of 1812, bought this house in Savage in the early 1800s and lived there from his retirement until shortly before his death in 1818. In the 20th century, the house was used as a... (Staff photo by Jon Sham)

The stone-and-wood Heine House, built atop a hill in the mid-1800s, is a good example of a middle-class Ellicott City home of that time. The home overlooks the historic district and parking lot F, which is the site of proposed development over the next few years. Preservation Howard County...

The stone-and-wood Heine House, built atop a hill in the mid-1800s, is a good example of a middle-class Ellicott City home of that time. The home overlooks the historic district and parking lot F, which is the site of proposed development over the next few years. Preservation Howard County... (Staff photo by Jon Sham)

Preservation Howard County, an organization whose name explains its mission, has taken on the task of protecting as many historic buildings in the county as is possible. Each year, the organization releases a Top 10 list of the county's most endangered historical sites. Preservation Howard...Staff photos by Jon Sham